101.6 x 152.4mm Direct Thermal Top Coated paper labels. The Z-Select 2000D is considered a premium label stock which is a smooth bright white top coated material, which produces a high contrast black image. The top coated labels ensures maximum print head life and helps in the reduction of smudging and improves / protects the labels from environmental conditions. However, the Z-Select 2000D is not recommended for labelling applications where long term exposure to sunlight or extreme heat is prevalent.